Features: Eliminate annoying ground Looping noise in your car speakers or home auditory systems with our 3.5mm auditory Ground Looping Isolator, ensuring clear sound without the need for external power. This lightweighted noise isolator is for any portable device with a 3.5mm auditory port, making it easy to carry and use without occupying much space. For music enthusiasts, car owners, home theater users, and anyone who demands highly auditory performances. Perfectly for use in car auditory systems, home and computer auditory setups, enhancing your overall Auditory experience by reducing unwanted noise. This auditory accessory seamlessly integrates into your existing setting, providing effortless solution to improve sound and enjoyment. Specifications: Item: 3.5mm Ground Looping Noise Isolator Size:about 61x20x18mm/2.4x0.79x0.71in Component: ABS Package Includes: 1PC 3.5mm Ground Looping Noise Isolator note: Due to the problem of lighting effect, there will be tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.